diff --git a/codegen/go.mod b/codegen/go.mod
index f41b733..5744a5d 100644
--- a/codegen/go.mod
+++ b/codegen/go.mod
@@ -3,7 +3,7 @@ module github.com/sumup/sumup-dotnet/codegen
 go 1.25.0
 
 require (
-	github.com/pb33f/libopenapi v0.35.1
+	github.com/pb33f/libopenapi v0.36.0
 	go.yaml.in/yaml/v4 v4.0.0-rc.4
 )
 
diff --git a/codegen/go.sum b/codegen/go.sum
index 77c3d95..3f44e7b 100644
--- a/codegen/go.sum
+++ b/codegen/go.sum
@@ -6,8 +6,8 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/pb33f/jsonpath v0.8.2 h1:Ou4C7zjYClBm97dfZjDCjdZGusJoynv/vrtiEKNfj2Y=
 github.com/pb33f/jsonpath v0.8.2/go.mod h1:zBV5LJW4OQOPatmQE2QdKpGQJvhDTlE5IEj6ASaRNTo=
-github.com/pb33f/libopenapi v0.35.1 h1:5BiA6RuBGprosQKyLkG14Q3SHjslarEolbYcx8o8jZ8=
-github.com/pb33f/libopenapi v0.35.1/go.mod h1:MsDdUlQ1CdrIDO5v26JfgBxQs7kcaOUEpMP3EqU6bI4=
+github.com/pb33f/libopenapi v0.36.0 h1:kQ73f8H0iXOj9naLxwYbKmgOBBXonJIsQbIztYjQ2lc=
+github.com/pb33f/libopenapi v0.36.0/go.mod h1:MsDdUlQ1CdrIDO5v26JfgBxQs7kcaOUEpMP3EqU6bI4=
 github.com/pb33f/ordered-map/v2 v2.3.1 h1:5319HDO0aw4DA4gzi+zv4FXU9UlSs3xGZ40wcP1nBjY=
 github.com/pb33f/ordered-map/v2 v2.3.1/go.mod h1:qxFQgd0PkVUtOMCkTapqotNgzRhMPL7VvaHKbd1HnmQ=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=